The internal thoracic vein (previously known as the internal mammary vein) arises from the superior epigastric vein. It drains the chest wall and breasts.
The internal thoracic vein arises from the superior epigastric vein. It forms venae comitantes to the internal thoracic artery and accompanies it in its course, before uniting to form a single vein 1. After uniting, each internal thoracic vein drains into its respective brachiocephalic vein 2.
- 1. Loukas M, Tobola MS, Tubbs RS, Louis RG, Karapidis M, Khan I, Spentzouris G, Linganna S, Curry B. The clinical anatomy of the internal thoracic veins. (2007) Folia morphologica. 66 (1): 25-32. Pubmed
- 2. Jelicić N, Djordjević Lj, Stosić T. [The internal thoracic blood vessels (internal thoracic arteries and veins) and their practical significance]. (1996) Srpski arhiv za celokupno lekarstvo. 124 (3-4): 58-61. Pubmed